US PATENT SUBCLASS 209 / *
.~.~.~.~ With agitators


Current as of: June, 1999
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209 /   HD   CLASSIFYING, SEPARATING, AND ASSORTING SOLIDS

233  DF  SIFTING {16}
*  DD  .~ Plane sifters {2}
*  DD  .~.~ Horizontal and inclined {4}
352  DF  .~.~.~ Stationary {2}
*.~.~.~.~ With agitators {2}
357  DF  .~.~.~.~.~> Reciprocating
358  DF  .~.~.~.~.~> Rotating